Current AffairsScience & tech

Oxygen enrichment technology-CSIR-CMERI, DURGAPUR

Amid the shortage of oxygen in hospitals across the country the CSIR-CMERI indigenously developed oxygen enrichment technology may be effective in treating COVID-19 patients.


  • The Central Mechanical Engineering Research Institute (also known as CSIR-CMERI Durgapur or CMERI Durgapur) is a public engineering research and development institution in Durgapur, West Bengal.
  • It is a constituent laboratory of the Indian Council of Scientific and Industrial Research (CSIR).
  • This institute is the only national level research institute in the field of mechanical engineering in India.
  • The CMERI was founded in 1958.

Harish Hirani, Director, CSIR-CMERI, said that the organisation developed an oxygen enrichment unit requiring easily available oil free reciprocating compressor, oxygen grade zeolite sieves and pneumatic components.

This technology has tremendous potential. He urged all the participant industries/entrepreneurs to come forward at this crucial juncture and manufacture the device at the earliest.

This unit can safely be placed in the isolation ward of the hospital for patients who are in dire need of oxygen. He added that CSIR-CMERI will be providing manufacturing guidance to the technology transferees as well as provide information on raw materials sourcing.

Anupam Sinha, Sr. Principal Scientist, CSIR-CMERI, Durgapur presented the technical note on the oxygen enrichment unit, which has been transferred to two industries. The unit is capable of delivering medical oxygen in the range of up to 15 LPM with oxygen purity of more than 90%. If required, this unit can even deliver up to 70 LPM at a purity of around 30%.

A good number of industries have shown interest in the CSIR-CMERI developed oxygen enrichment technology and expressed their willingness to start manufacturing with the cooperation of CSIR-CMERI.

The CSIR-Central Mechanical Engineering Research Institute, Durgapur is a premier mechanical engineering research institute of the country under the Ministry of Science & Technology. The CSIR-CMERI has already invited Expression of Interest (EOI) from Indian companies/manufacturing agencies/MSMEs/Start ups for manufacturing oxygen enrichment units through technology transfer.

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